Well, he's been deactivated - let's hope it stays that way - so there's no need to report now. Eventually it will get taken down. But as long as you can prove you are the original artist, the staff USUALLY listens.
Im impressed. truely. Although next time i might suggest using bristol board for your canvas rather than a heavy weight paper. You dont get that linear effect on you finish piece with it.Have a look-see at some on my work. id appreciate your opinion.